sctp: Add infrastructure for per net sysctls
Start with an empty sctp_net_table that will be populated as the various
tunable sysctls are made per net.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 2b2bfe9..bee36c4 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -284,6 +284,27 @@
{ /* sentinel */ }
};
+static ctl_table sctp_net_table[] = {
+ { /* sentinel */ }
+};
+
+int sctp_sysctl_net_register(struct net *net)
+{
+ struct ctl_table *table;
+
+ table = kmemdup(sctp_net_table, sizeof(sctp_net_table), GFP_KERNEL);
+ if (!table)
+ return -ENOMEM;
+
+ net->sctp.sysctl_header = register_net_sysctl(net, "net/sctp", table);
+ return 0;
+}
+
+void sctp_sysctl_net_unregister(struct net *net)
+{
+ unregister_net_sysctl_table(net->sctp.sysctl_header);
+}
+
static struct ctl_table_header * sctp_sysctl_header;
/* Sysctl registration. */